Kinematic viscosity capillary tube clamp device

Abstract

The utility model provides a kinematic viscosity capillary tube clamp device, which belongs to the technical field of viscosity detection, and comprises a detection seat and a clamp assembly arranged at the bottom of the outer wall of the detection seat, the clamp assembly comprises a clamp seat, an upper detection block, a lower detection block, a positioning block, an adjusting wheel, an adjusting screw rod, a sliding rod, a countersunk head screw, a clamp, a spring and an optical fiber detection head, the clamp seat is fixedly arranged at the bottom of the outer wall of the detection seat, and the top ends of the adjusting screw rod and the sliding rod are rotatably embedded in the inner wall of the opening of the detection seat. Through the clamp assembly, after the capillary viscometer is installed, the concentricity of the capillary viscometer and a detection position is high, the repeatability is high during automatic detection, after the viscometer is installed, the position is detected through the adjusting wheel, operation is convenient and fast, and the problem that a clamp is inconvenient to install and replace in automatic detection application of the Ping type capillary viscometer is solved; and manpower and time resources are saved in the using process.

Description

Technical Field

[0001] The utility model belongs to the technical field of viscosity detection, and particularly relates to a kinematic viscosity capillary fixture device. Background Technique

[0002] The kinematic viscosity detection of liquid petroleum is a standardized laboratory test process, usually following specific standards and methods. The following is a detailed answer to the kinematic viscosity detection of liquid petroleum: Detection overview, the kinematic viscosity of liquid petroleum products is an important index to consider the physical properties of oil products, which reflects the measure of the internal friction force when the fluid flows. During the production, transportation and use of oil products, viscosity is an important performance index and usage index.

[0003] For the kinematic viscosity detection of liquid petroleum, a suitable viscometer needs to be selected: Select a suitable viscometer according to the kinematic viscosity range of the sample. Commonly used ones include Engler viscometer, Saybolt viscometer, Redwood viscometer, rotational viscometer, oscillating viscometer, etc.

[0004] Kinematic viscosity is one of the routine detections of liquid petroleum products. At present, the instruments for measuring kinematic viscosity are divided into two categories: manual detection and automatic detection. Since manual detection consumes a lot of manpower and time, the industry's demand for automatic kinematic viscosity detection instruments has increased. Due to the particularity of the Ubbelohde capillary viscometer, many capillary viscometer fixtures of automatic kinematic viscosity detection instruments have disadvantages such as complex installation and replacement operations of the capillary viscometer and being fragile, which cause inconvenience to daily use. Content of the Utility Model

[0005] The purpose of the utility model is to provide a kinematic viscosity capillary fixture device, aiming to solve the problems proposed in the background technique.

[0006] A kinematic viscosity capillary fixture device includes

[0007] A detection seat;

[0008] The fixture assembly is provided at the bottom of the outer wall of the detection base, where: the fixture assembly includes a fixture base, an upper detection block, a lower detection block, a positioning block, an adjusting wheel, an adjusting screw rod, a sliding rod, a countersunk head screw, a fixture, a spring and an optical fiber detection head. The fixture base is fixedly arranged at the bottom of the outer wall of the detection base. The top ends of the adjusting screw rod and the sliding rod are rotatably embedded in the inner wall of the opening of the detection base. The adjusting wheel is sleeved on the outer wall of the top end of the adjusting screw rod. The bottom ends of the adjusting screw rod and the sliding rod are rotatably inserted into the opening at the bottom of the outer wall of the positioning block. The countersunk head screw is threadedly connected to the inner wall of the fixture base. The fixture is sleeved on the outer wall of the countersunk head screw. The spring is embedded and clamped on the outer walls at both ends of the fixture. The optical fiber detection head is slidably embedded in the openings on both sides of the outer walls of the upper detection block and the lower detection block. The two adjusting screw rods are respectively threadedly connected to the openings in the inner walls of the upper detection block and the lower detection block. The upper detection block and the lower detection block are both slidably sleeved on the inner wall of the sliding rod.

[0009] Further, a wire duct is embedded in the opening at the bottom of the outer wall of the detection base, and a chuck core is communicated and arranged at the top end of the wire duct, and a handle is sleeved on the outer wall of the chuck core.

[0010] Further, gaskets are sleeved on the outer walls of the adjusting screw rod and the sliding rod, and the top of the outer wall of the gasket is attached to the bottom of the outer wall of the detection base. Nuts are threadedly connected to the bottom ends of the adjusting screw rod and the sliding rod, and the top of the outer wall of the nut is attached to the bottom of the outer wall of the positioning block. Elastic snap rings are sleeved on the outer walls of the adjusting screw rod and the sliding rod, and the outer walls of the elastic snap rings are close to the outer walls of the upper detection block and the lower detection block.

[0011] Further, two linear bearings are sleeved on the outer walls of the two sliding rods, and the linear bearings are respectively embedded in the inner walls of the upper detection block and the lower detection block.

[0012] Further, a wire guiding setscrew is threadedly connected to one side of the outer walls of the upper detection block and the lower detection block.

[0013] Further, a setscrew is threadedly connected to the top of the outer wall of the detection base, and a viscosity tube is embedded in the opening at the top of the outer wall of the detection base.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] Through the fixture assembly, after the capillary viscometer is installed, the concentricity with the detection position is high, and the repeatability is high during automatic detection. After installing the viscometer, the detection position can be adjusted through the adjusting wheel, and the operation is convenient. It solves the problem of inconvenient installation and replacement of the fixture in the automatic detection application of the product type capillary viscometer, and saves human and time resources during the use process. Description of the Drawings

[0016] The accompanying drawings are used to provide a further understanding of the present utility model and form a part of the description. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. In the accompanying drawings:

[0017] Figure 1 is the front view of the present utility model;

[0018] Figure 2 is the sectional view of the present utility model;

[0019] Figure 3 is the sectional view of the fixture base of the present utility model;

[0020] Figure 4 is the sectional view of the upper detection block of the present utility model;

[0021] Figure 5 is the sectional view of the positioning block of the present utility model;

[0022] Figure 6 is the perspective view of the present utility model.

[0023] In the figure: 1, detection base; 2, fixture base; 3, upper detection block; 4, lower detection block; 5, positioning block; 6, handle; 7, adjusting wheel; 8, chuck core; 9, gasket; 10, adjusting lead screw; 11, slide bar; 12, countersunk head screw; 13, fixture; 14, spring; 15, wire routing setscrew; 16, linear bearing; 17, fiber optic detection head; 18, setscrew; 19, viscosity tube; 501, nut; 601, wire routing tube; 1001, elastic snap ring. Detailed implementation manners

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0026] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, terms such as "installation", "provided with", "sheathed / connected", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0027] Please refer to Figures 1-6 , the technical solution provided by this embodiment is as follows:

[0028] A kinematic viscosity capillary fixture device, comprising

[0029] a detection seat 1;

[0030] a fixture assembly provided at the bottom of the outer wall of the detection seat 1, wherein: the fixture assembly includes a fixture seat 2, an upper detection block 3, a lower detection block 4, a positioning block 5, an adjusting wheel 7, an adjusting screw rod 10, a sliding rod 11, a countersunk head screw 12, a fixture 13, a spring 14 and an optical fiber detection head 17. The fixture seat 2 is fixedly provided at the bottom of the outer wall of the detection seat 1. The top ends of the adjusting screw rod 10 and the sliding rod 11 are rotatably embedded in the inner wall of the opening of the detection seat 1. The adjusting wheel 7 is sleeved on the outer wall of the top end of the adjusting screw rod 10. The bottom ends of the adjusting screw rod 10 and the sliding rod 11 are rotatably inserted into the opening at the bottom of the outer wall of the positioning block 5. The countersunk head screw 12 is threadedly connected to the inner wall of the fixture seat 2. The fixture 13 is sleeved on the outer wall of the countersunk head screw 12. The spring 14 is embedded and clamped on the outer walls at both ends of the fixture 13. The optical fiber detection head 17 is slidably embedded in the openings on both sides of the outer walls of the upper detection block 3 and the lower detection block 4. The two adjusting screw rods 10 are respectively threadedly connected to the inner wall openings of the upper detection block 3 and the lower detection block 4. The upper detection block 3 and the lower detection block 4 are both slidably sleeved on the inner wall of the sliding rod 11.

[0031] In a specific embodiment of the present invention, through the clamp assembly, after the capillary viscometer is installed, it has high concentricity with the detection position and high repeatability when using automatic detection. After the viscometer is installed, the position is detected by adjusting the wheel 7, which is easy to operate and solves the problem of inconvenient installation and replacement of the clamp 13 in the automatic detection application of the pin-type capillary viscometer, saving manpower and time resources during use. First, the viscosity tube 19 is installed in the opening on the detection seat 1, and then the finger presses the clamp 13 so that the clamp 13 can clamp the viscosity tube 19, and the spring 14 is used to realize the transmission of torque and achieve continuous clamping. Then, according to the detection needs, the specified adjusting wheel 7 is rotated to drive the adjustment screw to rotate, and drive the optical fiber detection head 17 on the upper detection block 3 and the lower detection block 4 to move to the specified working position, and the slide bar 11 is used to limit the lifting accuracy of the upper detection block 3 and the lower detection block 4, and the elastic retaining spring 1001 is used to ensure a certain moving space.

[0032] Specifically, a wiring tube 601 is embedded in the bottom opening of the outer wall of the detection seat 1, and the top of the wiring tube 601 is connected to a clamp core 8, and the outer wall of the clamp core 8 is sleeved with a handle 6.

[0033] In a specific embodiment of the present invention, the handle 6 can achieve stable heat insulation.

[0034] Specifically, the outer walls of the adjusting screw rod 10 and the sliding rod 11 are sleeved with a gasket 9, and the top of the outer wall of the gasket 9 is in contact with the bottom of the outer wall of the detection seat 1. The bottom ends of the adjusting screw rod 10 and the sliding rod 11 are threadedly connected with a nut 501, and the top of the outer wall of the nut 501 is in contact with the bottom of the outer wall of the positioning block 5. The outer walls of the adjusting screw rod 10 and the sliding rod 11 are sleeved with an elastic retaining spring 1001, and the outer wall of the elastic retaining spring 1001 is close to the outer wall of the upper detection block 3 and the lower detection block 4.

[0035] In the specific embodiment of the present invention, the outer wall of the elastic spring 1001 is close to the outer wall of the upper detection block 3 and the lower detection block 4, and the elastic spring 1001 is used to ensure that there is a certain amount of movement space.

[0036] Specifically, two linear bearings 16 are sleeved on the outer walls of the two sliding rods 11 , and the linear bearings 16 are respectively embedded in the inner walls of the upper detection block 3 and the lower detection block 4 .

[0037] In a specific embodiment of the present invention, the linear bearing 16 can reduce the sliding friction coefficient and improve the movement accuracy.

[0038] Specifically, one side of the outer wall of the upper detection block 3 and the lower detection block 4 is threadedly connected with a wiring screw 15.

[0039] In a specific embodiment of the present utility model, a wire routing set screw 15 is threadedly connected to one side of the outer walls of the upper detection block 3 and the lower detection block 4, which facilitates wire routing.

[0040] Specifically, a set screw 18 is threadedly connected to the top of the outer wall of the detection seat 1, and a viscosity tube 19 is embedded in an opening at the top of the outer wall of the detection seat 1.

[0041] In a specific embodiment of the present utility model, a viscosity tube 19 is embedded in an opening at the top of the outer wall of the detection seat 1, which facilitates installation.

[0042] Working principle:

[0043] After the capillary viscometer is installed through the fixture assembly, it has a high concentricity with the detection position and high repeatability during automatic detection. After installing the viscometer, the detection position is adjusted through the adjusting wheel 7, and the operation is convenient. This solves the problem of inconvenient installation and replacement of the fixture 13 in the automatic detection application of the pipette capillary viscometer, saving human and time resources during the use process. First, the viscosity tube 19 is installed in the opening on the detection seat 1, and then the finger presses the fixture 13 to clamp the viscosity tube 19 by the fixture 13. The spring 14 is used to conduct the torque to achieve continuous clamping. Then, according to the detection requirements, the specified adjusting wheel 7 is rotated to drive the adjusting screw to rotate, driving the optical fiber detection heads 17 on the upper detection block 3 and the lower detection block 4 to move to the specified working position. The slide rod 11 is used to limit the lifting accuracy of the upper detection block 3 and the lower detection block 4, and the elastic snap ring 1001 is used to ensure a certain moving space.

[0044] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A capillary fixture device for kinematic viscosity, characterized in that, include, Detection seat (1); A clamp assembly is arranged at the bottom of the outer wall of the detection seat (1), wherein: the clamp assembly includes a clamp seat (2), an upper detection block (3), a lower detection block (4), a positioning block (5), an adjusting wheel (7), an adjusting screw rod (10), a slide rod (11), a countersunk screw (12), a clamp (13), a spring (14) and an optical fiber detection head (17); the clamp seat (2) is fixedly arranged at the bottom of the outer wall of the detection seat (1); the top ends of the adjusting screw rod (10) and the slide rod (11) are rotatably embedded in the inner wall of the opening of the detection seat (1); the adjusting wheel (7) is sleeved on the outer wall of the top end of the adjusting screw rod (10); the adjusting screw rod (10) and The bottom end of the slide bar (11) is rotatably inserted into the bottom opening of the outer wall of the positioning block (5), the countersunk screw (12) is threadedly connected to the inner wall of the clamp seat (2), the clamp (13) is sleeved on the outer wall of the countersunk screw (12), the spring (14) is embedded and clamped on the outer walls of both ends of the clamp (13), the optical fiber detection head (17) is slidably embedded in the openings on both sides of the outer walls of the upper detection block (3) and the lower detection block (4), the two adjusting screw rods (10) are respectively threadedly connected to the inner wall openings of the upper detection block (3) and the lower detection block (4), and the upper detection block (3) and the lower detection block (4) are both slidably sleeved on the inner wall of the slide bar (11).

2. The capillary fixture device for kinematic viscosity according to claim 1, characterized in that A wiring tube (601) is embedded in the bottom opening of the outer wall of the detection seat (1), and a clamp core (8) is provided at the top end of the wiring tube (601), and a handle (6) is sleeved on the outer wall of the clamp core (8).

3. The capillary fixture device for kinematic viscosity according to claim 2, characterized in that The outer walls of the adjusting screw rod (10) and the sliding rod (11) are sleeved with a gasket (9), and the top of the outer wall of the gasket (9) is in contact with the bottom of the outer wall of the detection seat (1). The bottom ends of the adjusting screw rod (10) and the sliding rod (11) are both threadedly connected with a nut (501), and the top of the outer wall of the nut (501) is in contact with the bottom of the outer wall of the positioning block (5). The outer walls of the adjusting screw rod (10) and the sliding rod (11) are both sleeved with an elastic retaining spring (1001), and the outer wall of the elastic retaining spring (1001) is close to the outer wall of the upper detection block (3) and the lower detection block (4).

4. The capillary fixture device for kinematic viscosity according to claim 3, characterized in that, The outer walls of the two sliding rods (11) are each sleeved with two linear bearings (16), and the linear bearings (16) are respectively embedded in the inner walls of the upper detection block (3) and the lower detection block (4).

5. The capillary fixture device for kinematic viscosity according to claim 4, characterized in that, One side of the outer wall of the upper detection block (3) and the lower detection block (4) is threadedly connected with a wiring top screw (15).

6. The capillary fixture device for kinematic viscosity according to claim 5, characterized in that The top of the outer wall of the detection seat (1) is threadedly connected with a top screw (18), and the top opening of the outer wall of the detection seat (1) is embedded with a viscosity tube (19).

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